A simple, ENERGY STAR certified 40 A travel charger for anyone with a NEMA 14-50 outlet. Pick it if the car parks close to the outlet and you do not need an app.
Amazon $269.99 Lectron $249.99The Lectron Portable 40A Level 2 is the better level 2 EV charger overall, rated 4.0 to 3.4. The Lectron Portable 40A Level 2 leads on value and ENERGY STAR. The Grizzl-E Duo Connect 40A wins on smart features, cable and warranty. The Lectron Portable 40A Level 2 costs $650 less ($249.99 vs $899.99).
For two-EV households with only one 50 A circuit: it shares 40 A between two cables, so both cars are full by morning without a panel upgrade.
Amazon $899.99Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Lectron Portable 40A Level 2 for value ($249.99 vs $899.99) and ENERGY STAR (ENERGY STAR certified vs not ENERGY STAR certified).
- Choose the Grizzl-E Duo Connect 40A for smart features (app control, off-peak scheduling, load sharing vs no app or scheduling), cable (25 ft cable vs 16 ft cable) and warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 40 A level 2 EV charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lectron Portable 40A Level 2 | Grizzl-E Duo Connect 40A |
|---|---|---|
| Overall rating | 4.0/5 | 3.4/5 |
| Value 30% | 100 $249.99 | 0 $899.99 |
| Safety listing 15% | 100 listed: UL 2594 (ETL) | 100 listed: UL certified (UL file E510712) |
| Smart features 15% | 0 no app or scheduling | 100 app control, off-peak scheduling, load sharing |
| ENERGY STAR 10% | 100 ENERGY STAR certified | 0 not ENERGY STAR certified |
| Weather rating 10% | 100 IP65: rain, hose spray and dust | 100 NEMA 4: rain, hose spray and dust |
| Cable 10% | 31 16 ft cable | 100 25 ft cable |
| Warranty 10% | 25 2-year warranty | 50 3-year warranty |
Specifications
| Lectron Portable 40A Level 2 | Grizzl-E Duo Connect 40A | |
|---|---|---|
| Charging | ||
| Maximum power | 40 A (9.6 kW) | 40 A (9.6 kW) |
| Adjustable current | No | Yes |
| Vehicle plug | J1772 or Tesla (NACS) | J1772 or Tesla (NACS) |
| Cable length | 16 ft | 25 ft |
| Installation | Plug-in (NEMA 14-50), portable | Plug-in or hardwired (NEMA 14-50) |
| Smart features | ||
| Wi-Fi | No | Yes |
| App | No | Yes |
| Off-peak scheduling | No | Yes |
| Load sharing | No | Yes |
| OCPP (third-party networks) | No | Yes |
| Safety and build | ||
| Safety listing | UL 2594 (ETL) | UL certified (UL file E510712) |
| ENERGY STAR | Yes | No |
| Weather rating | IP65 | NEMA 4 |
| Lowest operating temperature | -22 °F | -22 °F |
| Dimensions | 16.5 x 13 x 5 in | 10.25 x 6.25 x 3.75 in |
| Weight | 9.9 lb | 21 lb |
| Warranty | 2 years | 3 years |
| Released | 2023-06 | 2026-01 |
